We are fond of saying things are symmetric, but what does that really mean? Intuitively we have a sense of symmetry as a kind of mirroring. Suppose we draw a vertical line through the middle of a ...

At the intersection of squares and gardens, symmetry meets eye-catching greenery. With squares playing many different roles in the garden to bring order and balance to outdoor spaces, they're more ...

Reflective symmetry is when a shape can be folded in half, with either side of the fold being a mirror image of the other. Rotational symmetry is when a shape can be rotated and it still looks the ...

If symmetry is a sign of splendor, then the newly discovered Red Square nebula is one of the most beautiful objects in the universe. Seen in the infrared, the nebula resembles a giant, glowing red box ...

Peg uses a magic ukulele to find the line of symmetry on shapes. Peg uses a magic ukulele to find the line of symmetry on shapes that form steps. The steps should lead her to the Kingdom of Day, where ...